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Old 13th May 2014, 06:04 PM   #31
Turbon is offline Turbon  Sweden
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I can promise you that the only part that is doubtfully in the wrong place is C52 as that was the last 10uf tantalum to put somwhere... All pictures I have seen had a tantalum there so the last one found its place. C48/C51 had to take elect's and you noted a few posts ago that they had to be elects... All pics I have seen had tantalums - might have been the hight-grade ones .

Could you add a column to your BOM stating the HIGH-GRADE parts so me and possibly others can get this together for exploration.

BTW - don't forget the 220uF and 2.2uF tantals and the 100pF 1206'es as these seems to be what I'm missing. Oh yes - I got no silver micas...

Last, In my view you folks and others in the shiga thread have done a really remarkable effort. Custom PCB, chips and LCD's - outstanding! Who ever thought someone was willingly go tha deep into one design to better it. There is hope for the CD Thank you Tibi et al.

Regards
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Last edited by Turbon; 13th May 2014 at 06:11 PM.
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Old 13th May 2014, 06:17 PM   #32
tvicol is offline tvicol  Romania
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Turbon,

Tantalum are electrolytic capacitors as well.
Tantalum capacitor - Wikipedia, the free encyclopedia

In BOM, all high grade parts are marked as OPTIONAL PARTS.
Silver-mica are part of high-grade mods and marked as optional in BOM.
Please post a picture with what you have mounted so far and what parts remaining.

Regards,
Tibi
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Old 13th May 2014, 06:32 PM   #33
Turbon is offline Turbon  Sweden
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Quote:
Originally Posted by tvicol View Post
Turbon,

Tantalum are electrolytic capacitors as well.
Tantalum capacitor - Wikipedia, the free encyclopedia

In BOM, all high grade parts are marked as OPTIONAL PARTS.
Silver-mica are part of high-grade mods and marked as optional in BOM.
Please post a picture with what you have mounted so far and what parts remaining.

Regards,
Tibi
Yes, quite so but not as in the pics you were refering to... Yes I have one good pic.

Tibi - I know the elec on C10 should be moved to C43 to be replaced by a 220uF tantal but I don't have one... As you can see C28 2.2uF tantal is missing as is C2/C3 100pF on the remote. The silver mica on the PS board - maybe I didn't order that... Well well... The board is waiting for cleaning as well - clearly.

Click the image to open in full size.

Regards
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Last edited by Turbon; 13th May 2014 at 06:52 PM.
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Old 13th May 2014, 06:43 PM   #34
tvicol is offline tvicol  Romania
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Turbon,

The parts might slightly differ from KIT to KIT upon availability on distributors. The pictures on my site are there to guide you to place correct values on correct places and to see which parts must be mounted and which can be omitted.
BTW, the best part for C10 is an oscon or polymer cap.

So far so good. Please show me other side as well.

Regards,
Tibi
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Old 13th May 2014, 06:58 PM   #35
Turbon is offline Turbon  Sweden
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Quote:
Originally Posted by tvicol View Post
Turbon,

The parts might slightly differ from KIT to KIT upon availability on distributors. The pictures on my site are there to guide you to place correct values on correct places and to see which parts must be mounted and which can be omitted.
BTW, the best part for C10 is an oscon or polymer cap.

So far so good. Please show me other side as well.

Regards,
Tibi
Ok, here we go:

Click the image to open in full size.

Regards
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Old 13th May 2014, 07:05 PM   #36
Turbon is offline Turbon  Sweden
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Quote:
Originally Posted by tvicol View Post
Turbon,

BTW, the best part for C10 is an oscon or polymer cap.

Regards,
Tibi
Now, I cannot argue about this until I have it working so keep yer horses Tibi

Regards
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Old 14th May 2014, 05:31 AM   #37
tvicol is offline tvicol  Romania
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Quote:
Originally Posted by Turbon View Post
Ok, here we go:



Regards
All looks good.
220uF, 2,2uF and 2x100pF have been sent.

Regards,
Tibi
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Old 14th May 2014, 10:22 AM   #38
BMW850 is offline BMW850  Netherlands
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Hi Tibi,

The package has arrived.
Have the modified board (with regs and silver mica) listened to with the default board the modified board sounds better more depth and more detail.

But now wants to replace the spdif resistances but what is now the shunt and series resistance.
The bomb says:
R48 = 75Ω (100Ω) Shunt resistance
R49 = 75Ω (300Ω) series resistance.
https://docs.google.com/spreadsheet/ccc?key=0AkpVHsdmSfohdGo4VWMzTWlLRXlveDVPOWctLW5UR nc&usp=sharing#gid=0

The photo and my measurement says otherwise.

Regards,
Rudy
Attached Images
File Type: jpg spdif out.jpg (272.6 KB, 436 views)
File Type: jpg Vicol MK2 Shigaclone 2 mod.jpg (454.6 KB, 440 views)
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Last edited by BMW850; 14th May 2014 at 10:27 AM.
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Old 14th May 2014, 10:29 AM   #39
tvicol is offline tvicol  Romania
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Hi Rudy,

Use series 330ohm and 100ohm. All standard boards come with series 330ohm and 100ohm.
The aim is to reduce output voltage 4 times to ~0.5-0.6V (s/pdif standard) and lower impedance to ~75ohm.

Regards,
Tibi
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Old 14th May 2014, 10:36 AM   #40
BMW850 is offline BMW850  Netherlands
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Hi Tibi,

The bomb says:
R48 = 100Ω shunt resistance
R49 = 300Ω series resistance.
Is this correct R48 shunt and R49 series?

Regards,
Rudy
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